var bubu ={ s64:"14",s65:"27",s11:"20",s12:"8",s13:"43",s14:"46",s15:"184",s21:"105",s22:"39",s23:"224",s31:"4",s32:"30",s33:"32",s34:"104",s35:"93",s36:"200",s37:"86",s41:"34",s42:"65",s43:"129",s44:"368",s45:"78",s46:"50",s50:"57",s51:"167",s52:"129",s53:"159",s54:"47",s61:"57",s62:"59",s63:"11" };
var title = "2012年各地区自然保护区个数";
var unit = "个";
function getColor(d) {
    return d > 200 ? '#800026' :
           d > 160  ? '#BD0026' :
           d > 110  ? '#E31A1C' :
           d > 90  ? '#FC4E2A' :
           d > 50   ? '#FD8D3C' :
           d > 35  ? '#FEB24C' :
           d > 20   ? '#FED976' :
           d > 1   ? '#FFEDA0' :
           d < 0   ? '#000000' :
                      '#000000';
}
var vgrades = [1, 20, 35, 50, 90, 110, 160, 200];